16 tunning forks are arranged in the order of increasing frequencies. Any two successive forks give 8 beats per sec when sounded together. If the frequency of the last fork is twice the first, then the frequency of the first fork is [CBSE PMT 2000; MP PET 2001]

16 tunning forks are arranged in the order of increasing frequencies.

1.	16 tunning forks are arranged in the order of increasing frequencies. Any two successive forks give 8 beats per sec when sounded together. If the frequency of the last fork is twice the first, then the frequency of the first fork is [CBSE PMT 2000; MP PET 2001]
A.	120
B.	160
C.	300
D.	220
Answer» B. 160

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16 tunning forks are arranged in the order of increasing frequencies. Any two successive forks give 8 beats per sec when sounded together. If the frequency of the last fork is twice the first, then the frequency of the first fork is [CBSE PMT 2000; MP PET 2001]

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